Answer the following questions in 2 pages

Pleas respond  in 2 pages please include references,citations and no plagiarism . Please note that the paper will put through a safe assign  plagiarism system  if the report comes back with more than  a 15% match scan you will be reported to study pool,and the assignment will be withdrawn. Please only submit original papers,and include citations  this is very important DON’T CHEAT  YOU WILL GET CAUGHT!!!’

Please answer these questions  in your “words”.

1. What benefit does a variable provide when developing and examining models?
2. Explain the purpose of simple linear regression and scatter diagrams. Please provide a simple linear regression model and define each variable used.
3. Describe multiple regression analysis and discuss potential uses for this model

Your paper should reflect scholarly writing and current APA standards. Please include citations to support your ideas.